Board a classic timber boat for a classic caldera travel, quit for swims, consult with the volcano
https://elliotlzfx982.quillnesty.com/posts/private-santorini-tours-tailor-made-itineraries-for-every-traveler
Board a normal timber boat for a vintage caldera travel, give up for swims, stopover at the volcano, and savor onboard reports and snacks.